Why sinker is used in knitting?

On bearded needle weft knittng machines of the stright bar frame and sinker wheel type, the main purpose of a sinker is to sink or knik the newly laid yarn into a loop as its forward edge or catch advances between the two adjacent needles.

What is the use of sinker in knitting?

On bearded needle weft knitting machines of the straight bar frame and sinker-wheel type (as on Lee’s hand frame), the main purpose of a sinker is to sink or kink the newly laid yarn into a loop (Figure) as its forward edge or catch (C) advances between the two adjacent needles.

What is the purpose of sinkers in a circular knitting machine?

Each sinker is positioned between two needles and its main purpose is to help build the loop. Furthermore, it holds the loops that were formed in the previous circle down when the needle moves upwards and downwards to build the new loops.

What are the two types of yarn feeding mechanisms commonly used?

There are two types of feed device.

  • Positive feed device.
  • Negative feed device.
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Which machine is used for knitting?

The flat knitting machine can be used both for the single jersey and rib fabrics but fabrics come in open width. The manual flat knitting machines are widely used for knitting sweater parts. Tricot and Raschel are two warp knitting machines.

What sinker means?

1 : one that sinks specifically : a weight for sinking a fishing line, seine, or sounding line. 2 : doughnut. 3 : a fastball that sinks as it reaches the plate.

What is sinker loop knitting?

Sinker loop:  The lower part of the knitted loop is technically referred as sinker loop. It is the connection of tow legs belonging to the neighboring stitches lying laterally. The yarn portion that connects two adjacent needle lops belonging in the same knitted course. Bottom arc also called sinker loop.

What is CAM in knitting?

The part of a knitting machine that controls the movement of the needles or sinkers to produce a desired knitted construction.

What is positive feeder?

Positive feeder: even better. The many new design features of the MPF P considerably increase the productivity of knitting machines. The device is complete with the tried-and-tested, self-cleaning vibration tension, which reliably prevents false stoppages.

What are knitting loops called?

In weaving, threads are always straight, running parallel either lengthwise (warp threads) or crosswise (weft threads). By contrast, the yarn in knitted fabrics follows a meandering path (a course), forming symmetric loops (also called bights) symmetrically above and below the mean path of the yarn.

What is tuck stitch?

Definition of tuck stitch

: a pattern stitch for circular-knit garments that is made by taking on more than one loop in a stitch.

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What is latch needle?

The latch needle is composed of a curved hook, a latch, or tumbler, that swings on a rivet just below the hook, and the stem, or butt. It is sometimes called the self-acting needle because no presser is needed; the hook is closed by the pressure…

Which cam is used for upward movement of the needle?

(2.12) shows the simplest cam design. The upward movement of the needle is obtained by the rising cams or clearing cams. The rising cam places the needle at a certain level as it approaches the yarn area. Cams controlling the downward movement of the needles are called stitch cams.

What is knotting machine?

a machine that ties the ends of warp yarns during warping. Stationary machines tie the warp yarns on a separate stand away from the loom; mobile machines do the tying directly on the loom. Knotting machines can tie 350–420 knots per min. …

What is weft knitting?

Weft knitting is a knitted piece of fabric where the stitches run from left to right horizontally across the fabric. It is usually knitted with one piece of yarn, and can be made either by hand or using a knitting machine. … The knitting machine was invented to speed up the manufacturing process of knitted products.

Is a heart of any knitting machine?

In all knitting machines, the main element for the intermeshing of loops is ‘the needle. When the machine was developed in 1589 by William Lee, ‘a spring beard needle’ was used. …